OpenTechnical

OT-2026-000017437

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000017437) never changes.

Identity and time

Publication numberOT-2026-000017437 · never reused
Internal UUID01a0ae6e-76c9-7432-bd35-29b2d91e0a1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017437
StatusPUBLIC

Content hashes

Canonical text15a6c9d28ebdd4ce05ef2ff529ef7edddc1603e7548f400a2973f034f8ccbf63
Markdownaced4b62fa0d5fc04736ac8297a48835be6e6a8e78b54b0e8c9e70a250284a93
PDF
Publication page1fca9c79d429ee4fe608d9ea37896eda08e8de79fc0377ffb90012c340c734e0
Manifestd912c0ed98120f1efbd1d338b550dd98e9077633616ea143218b34df8e2973e6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemfxcFOkaLIfxzbu2Qwpv+G6y+JRNhBuD4mJYGkTIF8pmM84ww8Dygjq6lq1PLj4D0WEbRmc4pWSM/CXFBo4SCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:34.249796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017437
observed 1fca9c79d429ee4fe608d9ea37896eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.230899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017437/manifest.json
observed d912c0ed98120f1efbd1d338b550dd98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.214858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017437/publication.md
observed aced4b62fa0d5fc04736ac8297a48835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.198233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017437/publication.txt
observed 15a6c9d28ebdd4ce05ef2ff529ef7edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.